Finding the Fourth Proportional to 6,367.50, 8,787.68 and 3,535.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,367.50 : 8,787.68 = 3,535.05 : x
2. Step 2: Convert to fraction form
   6,367.50/8,787.68 = 3,535.05/x
3. Step 3: Cross multiply
   6,367.50x = 8,787.68 × 3,535.05
4. Step 4: Simplify right side
   6,367.50x = 31,064,870.51
5. Step 5: Solve for x
   x = 31,064,870.51/6,367.50
6. Step 6: Final answer
   x = 4,878.66